Standard Code | Standard Title | Standard Class | Order |
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GB/T 30921.4-2016 |
Test method of purified terephthalic acid (PTA) for industrial use—Part 4: Determination of titanium content—Diantipyrylmethane photometric method 工业用精对苯二甲酸(PTA)试验方法 第4部分:钛含量的测定 二安替吡啉甲烷分光光度法 |
China National Standards Test method purified |
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GB/T 30921.6-2016 |
Test method of purified terephthalic acid (PTA) for industrial use—Part 6: Determination of particle size distribution 工业用精对苯二甲酸(PTA)试验方法 第6部分:粒度分布的测定 |
China National Standards Test method purified |
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GB/T 30921.3-2016 |
Test method of purified terephthalic acid (PTA) for industrial use—Part 3: Determination of water content 工业用精对苯二甲酸(PTA)试验方法 第3部分:水含量的测定 |
China National Standards Test method purified |
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GB/T 30921.2-2016 |
Test method of purified terephthalic acid (PTA) for industrial use—Part 2: Determination of metal content 工业用精对苯二甲酸(PTA)试验方法 第2部分:金属含量的测定 |
China National Standards Test method purified |
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GB/T 30921.5-2016 |
Test method of purified terephthalic acid (PTA) for industrial use—Part 5: Determination of acid number 工业用精对苯二甲酸(PTA)试验方法 第5部分:酸值的测定 |
China National Standards Test method purified |
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GB/T 30921.7-2016 |
Test method of purified terephthalic acid(PTA) for industrial use—Part 7: Determination of b* value—Color difference meter 工业用精对苯二甲酸(PTA)试验方法 第7部分:b*值的测定 色差计法 |
China National Standards Test method purified |
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GB/T 30921.1-2014 |
Test method of purified terephthalic acid (PTA) for industrial use―Part 1:Determination of concentrations of 4-carboxybenzaldehyde (4-CBA) and p-toluic acid (p-TOL) 工业用精对苯二甲酸(PTA)试验方法 第1部分:对羧基苯甲醛(4-CBA)和对甲基苯甲酸(p-TOL)含量的测定 |
China National Standards Test method purified |
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GB/T 30301-2013 |
General rule for test methods of highly purified reagents 高纯试剂试验方法通则 |
China National Standards Test method purified |
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